create-hevc

#!/bin/bash

START_TIME=$SECONDS
QUALITY=${Q:-25}
WIDTH=${WIDTH:-1920}
SIZING="-vf scale=$WIDTH:-1"
OPT="-y -v info -hide_banner"
STAT=$(stat -c"%y" tl000001.jpg|cut -b1-10|perl -npe "s/(\d+)\-(\d+)\-(\d+)/\3.\2.\1/")
if [ -z $STAT ]; then
	echo "couldn't find tl000001.jpg"
	echo "wrong directory?"
	exit
fi

MOVIE=$(stat -c"%y" tl000001.jpg|cut -d " " --output-delimiter=- -f1,2|cut -b1-10)-hevc-q$QUALITY.mp4
echo -n create_movie $MOVIE ... 

# run faster if interactive
if [ -z !$PID ]; then
	ffmpeg $OPT -r 30 -f image2 -i tl%06d.jpg \
		   -metadata title="$STAT Timelapse Grand River" \
		   -metadata author="Steffen Roller <steffen.roller@gmail.com>" \
		   -metadata year="2018" \
		   -metadata copyright="Create Commons" \
		   -an \
	       -c:v libx265 -crf $QUALITY -r 30 $MOVIE
else
	ffmpeg $OPT -r 30 -f image2 -i tl%06d.jpg \
		   $SIZING \
		   -metadata title="$STAT Timelapse Grand River" \
		   -metadata author="Steffen Roller <steffen.roller@gmail.com>" \
		   -metadata year="2018" \
		   -metadata copyright="Create Commons" \
		   -an \
		   -c:v libx265 -crf $QUALITY -r 30 $MOVIE
fi
ELAPSED_TIME=$(($SECONDS - $START_TIME))
echo finished in $(($ELAPSED_TIME/60/60)) hr, $(($ELAPSED_TIME/60%60)) min and $(($ELAPSED_TIME % 60)) sec